Published 18 Jul 2023

Arduino Yún

\\ {{ :electronic:boards:arduino:p7181077.jpg?200|Yun overview}} ^ Module Description || ^Model|**Yún**| ^Manufacturer|Arduino| ^Brand|Arduino| ^Clone of|-| ^Description|Microcontroller with attached Linux system | ^Voltage|5V| ===== Overview ===== The Yun is a single board computer that combines an Arduino microcontroller with a Linux-based system, allowing for easy internet connectivity and the ability to run complex applications. It features built-in WiFi, supports various programming languages like Python, and is designed for projects that require both hardware control and network capabilities. It’s useful when a project needs Arduino-style sensor and actuator control alongside Linux networking, scripting, and file handling. ===== Features ===== * Microcontroller: ATmega32U4 (for Arduino sketches and real-time I/O) * Clock Speed: 16 MHz * Operating Voltage: 5V * Input Voltage: 5V (no onboard 5V regulator) * 3.3V Power Out: up to 50 mA * I/O Pin Out: up to 40 mA * Digital I/O Pins: 20 (7 support PWM output) * Analog Input Pins: 2 * Flash Memory: 32kB (4kB used by bootloader) * SRAM: 2.5 kB * EEPROM: 1 kB * Built-in Wi‑Fi (802.11 b/g/n) and 10/100 Ethernet * USB 2.0 host/device and microSD card slot * Atheros AR9331 processor (MIPS, 400 MHz) running Linino, based on OpenWRT Linux * 64 MB DDR2 RAM and 16 MB flash on the Linux processor * Bridge library for Arduino sketches to communicate with Linux programs and network services * Supports programming over USB or Wi‑Fi and optional PoE hardware \\ ---- ===== Schematics ===== {{electronic:boards:arduino:yun_pighixxx.png?800|Pinout (unofficial)}} ((from https://web.archive.org/web/20171110150444/http://www.pighixxx.com/test/wp-content/uploads/2014/11/yun.png CCBYSA Alberto Piganti)) \\ ---- ===== Examples ===== {{electronic:boards:arduino:p7181077.jpg?800|Yun overview}} {{:electronic:boards:arduino:p7181076a.jpg?800|Yun overview}} {{:electronic:boards:arduino:p7181075a.jpg?800|Yun top view}} ====== References and Additional Resources ====== * [[https://docs.arduino.cc/retired/boards/arduino-yun|Arduino.cc product page]] * {{https://www.arduino.cc/en/uploads/Main/YUN-V04(20150114).pdf|Schematic}}

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